CVE-2015-6386 Denial of service in n/a
Remote attackers can cause denial of service via CPU consumption on Cisco Web Security Appliance devices using the passthrough FTP feature.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-6386?
CVE-2015-6386 is a medium-severity denial of service vulnerability in Cisco Web Security Appliance, published on 1 Dec 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The passthrough FTP feature on Cisco Web Security Appliance (WSA) devices with software 8.0.7-142 and 8.5.1-021 allows remote attackers to cause a denial of service (CPU consumption) via FTP sessions in which the control connection is ended after data transfer, aka Bug ID CSCut94150.
Weakness: CWE-399
Which versions are affected by CVE-2015-6386?
It affects 1 product.
Products include Cisco Web Security Appliance.
How do I fix CVE-2015-6386?
No fix has been published for CVE-2015-6386 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2015-6386 being exploited?
There is no known exploitation of CVE-2015-6386 in the wild and no public exploit code.
Other vulnerabilities in Cisco Web Security Appliance
Sources
Also known as GHSA-vr38-pghp-52qv.